The first idea is to use gum to detect malaria indicators in saliva so that blood does not have to be drawn.

第一个想法是利用口香糖来检测唾液里的疟疾指标，这样的话就不用再抽血了。

youdao

The first step is to even care if your idea is solid; and the second step is to answer the question does it have at least one of the indicators of success?

首先，如果你的创意很好，那么你一定会很在意它，时刻把它挂在嘴边，放在心中；其次你要扪心自问：是否有任何迹象表明我的创意一定能成功？

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The division throws up some interesting contrasts: whereas Venezuelans are better off than Peruvians and Colombians by the first category of indicators, they fare much worse in the second.

这种区分方法带来了一些有意思的对照：尽管委内瑞拉人在第一大分类里要好过秘鲁人和哥伦比亚人，但他们在第二分类里的遭遇更糟糕。

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In some cases, anxiety signs and symptoms are the first indicators that you have a medical illness.

CNN: Anxiety

The Clinical Indicators were first published by the government last June.

BBC: Surgery

The research is the first step towards developing indicators that can be used by maternity services to monitor and improve quality of care, said Dr David Richmond, vice president of RCOG.

BBC: Maternity care varies across England